C222123232321333131133133313331323133313231323133311322131232122211   >>    C22212323232133313113313331333132313331323132313331132213123212221   <<    C222123232321333131133133313331323133313231323133311322131232122213   >>      C222123232321333131133133313331323133313231323133311322131232122212   >>